About this role

Backend Developer Rhino Sp. z o.o. Daily tasks: - Design and implement scalable and reliable cloud-based software - Develop project plans and estimates - Troubleshoot and debug complex issues - Modify software to fix errors, adapt it to new hardware, improve its performance, or upgrade interfaces - Co-create software documentation - Create programs, and run tests and simulations - Collaborate with cross-functional teams to design, and ship new features Musts: Java, Spring, Boot, REST API, Communication skills, Hibernate, Docker, Gradle, PostgreSQL, SQL You will need At least 5 years of professional designing, developing and implementing software applications in Java language with Spring Boot/ Spring Professional command of English – both written and spoken (B2) Knowledge of PostgreSQL Experience in designing RESTful APIs Strong problem-solving and communication skills Ability to work independently and as part of a team Optional Experience with TimeScale DB Experience with Docker Products Knowledge of React Knowledge of Wicket Framework Experience in AWS or other cloud platforms Our benefits Private medical care Sharing the costs of sports activities High quality equipment Flexible working model: fully remote or hybrid Flexible working time Flexible forms of employment: B2B or Employment Contract (UoP) Collaborative team culture Integration events No dress code Free coffee Free parking Bike parking Your Role at Rhino We are seeking an experienced Backend Developer to join our team dedicated to building a highly scalable, cloud-based platform integrated with IoT devices.

In this role, you will collaborate with cross-functional professionals in a supportive, small-team environment that values high ownership, continuous learning, and making a tangible impact on real-world energy and building optimization. About Rhino The Rhino system consists of cloud software and IoT devices that read data from utility meters and sensors monitoring, among others, temperature, air humidity, CO2 concentration, and air quality.

The solution is mainly aimed at owners and managers of large-scale buildings, warehouses, shopping malls, offices, production buildings. We already cover more than 3 million m2 of building space with Rhino monitoring, collecting real-time data from more than 11,000 meters and sensors we have installed. The Rhino Platform's task is to aggregate data, visualize it on various types of dashboards, analyze it for anomaly detection and optimization, present it in the form of tabular and graphical reports, and provide data through an API to external systems.

The solution is cloud-based microservices platform in the development phase. What our colleagues like the most at Rhino We develop our own products We make an impact; large scale of operation Accountability and respect are given to us We cooperate and support each other There are great colleagues who are divided into small teams here We can develop and learn new things

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